Timeline for Fano $3$-folds with one singularity
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 11, 2021 at 10:02 | comment | added | Andrea | Yes, they are not smoothable. Indeed the singularity 1/2(1,1,1) is rigid (i.e. it doesn't deform) - see Schlessinger's "Rigidity of quotient singularities", Invent. math., vol. 14, pages 17-26 (1971). | |
| Mar 26, 2020 at 17:25 | comment | added | Evgeny Shinder | Is it a fact that such Fano 3-folds are not smoothable? | |
| Mar 24, 2020 at 12:01 | comment | added | Tom Ducat | I'm not sure if a nice clean statement exists, but this paper of Takagi at least covers some of the classification you hope for projecteuclid.org/download/pdf_1/euclid.nmj/1114649295 | |
| Mar 24, 2020 at 2:40 | history | asked | Nick L | CC BY-SA 4.0 |